[INFO] cloning repository https://github.com/r281GQ/bottles_rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/r281GQ/bottles_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr281GQ%2Fbottles_rust"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr281GQ%2Fbottles_rust'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 35f9d5619678fd68f52e3dd29e0431b8ad1ff444
[INFO] testing r281GQ/bottles_rust against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr281GQ%2Fbottles_rust" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/r281GQ/bottles_rust on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/r281GQ/bottles_rust
[INFO] finished tweaking git repo https://github.com/r281GQ/bottles_rust
[INFO] tweaked toml for git repo https://github.com/r281GQ/bottles_rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/r281GQ/bottles_rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] abb4b83904e17a5c138b3e52da945b6825438c998922562ab619e8fb22a4d81a
[INFO] running `"docker" "start" "-a" "abb4b83904e17a5c138b3e52da945b6825438c998922562ab619e8fb22a4d81a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling bottles_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `create_verse`
[INFO] [stderr]  --> src/song.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn create_verse(from: i32) -> String {
[INFO] [stderr]   |        ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_verses`
[INFO] [stderr]   --> src/song.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn create_verses(from: i32, to: i32) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `"docker" "inspect" "abb4b83904e17a5c138b3e52da945b6825438c998922562ab619e8fb22a4d81a"`
[INFO] running `"docker" "rm" "-f" "abb4b83904e17a5c138b3e52da945b6825438c998922562ab619e8fb22a4d81a"`
[INFO] [stdout] abb4b83904e17a5c138b3e52da945b6825438c998922562ab619e8fb22a4d81a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d67c286ca86742a713cd64cb51f3d77b502ff2f0675029b37853414cf4a73339
[INFO] running `"docker" "start" "-a" "d67c286ca86742a713cd64cb51f3d77b502ff2f0675029b37853414cf4a73339"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling bottles_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "d67c286ca86742a713cd64cb51f3d77b502ff2f0675029b37853414cf4a73339"`
[INFO] running `"docker" "rm" "-f" "d67c286ca86742a713cd64cb51f3d77b502ff2f0675029b37853414cf4a73339"`
[INFO] [stdout] d67c286ca86742a713cd64cb51f3d77b502ff2f0675029b37853414cf4a73339
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5f4e718b2cb5f1e25713078e54ff2e5ae6d3bfdcbd9b317d4a5cd4e6d4b39078
[INFO] running `"docker" "start" "-a" "5f4e718b2cb5f1e25713078e54ff2e5ae6d3bfdcbd9b317d4a5cd4e6d4b39078"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bottles_rust-53ce2e7752da407d
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_a_couple_of_verses ... ok
[INFO] [stdout] test tests::test_a_few_verses ... ok
[INFO] [stdout] test tests::test_the_another_verse ... ok
[INFO] [stdout] test tests::test_the_verse_1 ... ok
[INFO] [stdout] test tests::test_the_verse_2 ... ok
[INFO] [stdout] test tests::test_the_whole_song ... ok
[INFO] [stdout] test tests::test_the_first_verse ... ok
[INFO] [stdout] test tests::test_the_verse_0 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5f4e718b2cb5f1e25713078e54ff2e5ae6d3bfdcbd9b317d4a5cd4e6d4b39078"`
[INFO] running `"docker" "rm" "-f" "5f4e718b2cb5f1e25713078e54ff2e5ae6d3bfdcbd9b317d4a5cd4e6d4b39078"`
[INFO] [stdout] 5f4e718b2cb5f1e25713078e54ff2e5ae6d3bfdcbd9b317d4a5cd4e6d4b39078